CN222133582U - Lollipop reaming milling cutter - Google Patents
Lollipop reaming milling cutter Download PDFInfo
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- CN222133582U CN222133582U CN202420514247.4U CN202420514247U CN222133582U CN 222133582 U CN222133582 U CN 222133582U CN 202420514247 U CN202420514247 U CN 202420514247U CN 222133582 U CN222133582 U CN 222133582U
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- cutter
- reaming
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- lollipop
- cutter bar
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Abstract
本申请属于铣刀技术领域，公开了一种棒棒糖扩孔铣刀。本申请一种棒棒糖扩孔铣刀，包括刀柄，所述刀柄一端设置有圆台体，所述圆台体远离刀柄的一端设置有刀杆，所述刀杆远离圆台体的一端一体成型有球形刀头，所述球形刀头表面设置有圆弧刀刃。本申请中球形刀头的直径从中部向两侧递减，在对较小的预留孔进行加工时，球形刀头远离刀柄的一端进入预留孔内，驱动工具带动刀柄、刀杆和球形刀头转动时，圆弧刀刃对较小的预留孔进行扩孔加工，免去了传统技术需要使用多种铣刀对较小的预留孔进行加工的繁琐操作。
The present application belongs to the technical field of milling cutters, and discloses a lollipop hole-reaming milling cutter. The present application discloses a lollipop hole-reaming milling cutter, comprising a handle, one end of the handle is provided with a truncated cone, the end of the truncated cone away from the handle is provided with a shank, the end of the shank away from the truncated cone is integrally formed with a spherical cutter head, and the surface of the spherical cutter head is provided with an arc blade. The diameter of the spherical cutter head in the present application decreases from the middle to both sides. When processing a smaller reserved hole, the end of the spherical cutter head away from the handle enters the reserved hole. When the driving tool drives the handle, the shank and the spherical cutter head to rotate, the arc blade performs hole-reaming processing on the smaller reserved hole, eliminating the cumbersome operation of using multiple milling cutters to process smaller reserved holes in traditional technology.
Description
Technical Field
The utility model relates to the technical field of milling cutters, in particular to a lollipop reaming milling cutter.
Background
Milling tools are rotary tools for milling machining having one or more cutter teeth. When in operation, each cutter tooth cuts off the allowance of the workpiece intermittently in sequence. The milling cutter is mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces and the like on a milling machine, and the reaming milling cutter is required to be used in reaming operation.
When the milling cutter is applied to the machining field of the aircraft fuselage aluminum alloy spare and accessory parts, the reserved holes on the aircraft fuselage aluminum alloy spare and accessory parts are smaller, and when the smaller reserved holes are machined, the electric tool is matched with the drill bit, the reamer milling cutter for rough milling, the reamer milling cutter for finish milling, the reamer reaming and the internal grinding lapping hole for machining in the prior art, and the technology has the defects that the types and the specifications of cutters to be utilized are too many, and the machining efficiency is slower.
Disclosure of utility model
In order to solve the problems, the utility model provides a lollipop reaming and milling cutter.
The technical aim of the lollipop reaming milling cutter is achieved through the following technical scheme that the lollipop reaming milling cutter comprises a cutter handle, a circular truncated cone is arranged at one end of the cutter handle, a cutter bar is arranged at one end, far away from the cutter handle, of the circular truncated cone, a spherical cutter head is integrally formed at one end, far away from the circular truncated cone, of the cutter bar, and an arc cutting edge is arranged on the surface of the spherical cutter head.
Through adopting above-mentioned technical scheme, the diameter of spherical tool bit is from middle part to both sides decline progressively, when processing less preformed hole, in the one end entering preformed hole of shank is kept away from to spherical tool bit, and when driving tool drove shank, cutter arbor and spherical tool bit rotation, circular arc cutting edge carries out reaming processing to less preformed hole, has removed the loaded down with trivial details operation that traditional technique need use multiple milling cutter to process less preformed hole from.
Further, run through on the lateral wall that the round platform body is close to cutter arbor one side be provided with cutter arbor grafting complex spout, be provided with coupling assembling between round platform body and the cutter arbor, the holding tank has been seted up on the position that spherical tool bit one side was kept away from to the cutter arbor lateral wall, coupling assembling includes with holding tank inner wall fixed spring and with the fixed spacing ball of free end of spring, spacing ball and holding tank sliding fit, be provided with in the round platform body with spout intercommunication and with spacing ball complex spacing groove.
Through adopting above-mentioned technical scheme, when needs change the tool bit, the staff only need hold cutter arbor and handle of a knife and to two directions pulling, and spacing ball receives the pressure of spacing inslot wall this moment, contracts and extrudees the spring to the holding tank in, and the cutter arbor outwards slides along the spout afterwards to accomplish the dismantlement of spherical tool bit, so that the staff changes not unidimensional spherical tool bit or changes the spherical tool bit that the circular arc cutting edge damaged.
Further, the connecting assembly further comprises a clamping block fixedly connected with one end, close to the circular truncated cone, of the cutter bar, and a clamping groove matched with the clamping block in a plugging manner is formed in one end, close to the circular truncated cone, of the cutter bar.
Through adopting above-mentioned technical scheme, fixture block joint cooperation is in the draw-in groove, is favorable to improving the stability of being connected between cutter arbor and the handle of a knife.
Further, the cutter bar is sleeved with an outer sleeve matched with the cutter bar, an inner sleeve sleeved on the outer side of the cutter bar is fixed at one end, far away from the cutter bar, of the circular truncated cone body, the inner side of the outer sleeve is in threaded connection with the outer side of the inner sleeve, and the inner diameter, far away from one end of the spherical cutter head, of the outer sleeve is larger than the inner diameter, close to one end of the spherical cutter head, of the outer sleeve.
Through adopting above-mentioned technical scheme, screw up the outer tube after, the outer tube supports tightly with the one end that the inner tube is close to spherical tool bit, has strengthened the stability of being connected between cutter arbor and the round platform body, and then has improved the stability of spherical tool bit in the use.
Further, the number of the arc cutting edges is a plurality, and the arc cutting edges are uniformly distributed about the axis of the cutter bar.
Through adopting above-mentioned technical scheme, utilize whole circular arc cutting edge to cut, to the through-hole that the degree of depth is less than 1 time footpath, through the oblique angle feed of lathe three axle linkage, even the mounted position does not reserve enough space still can carry out cutter feeding.
Further, chip grooves with the same number as the circular arc blades are arranged on the side walls of the circular arc blades, and the extending directions of the chip grooves are spiral.
Through the technical scheme, scraps generated in the machining process are discharged through the chip removal groove conveniently, and workers can bore the workpiece by using the reaming milling cutter.
Further, a rubber gasket is arranged in the clamping groove.
Through adopting above-mentioned technical scheme, reduce the fixture block to the wearing and tearing of draw-in groove, be favorable to prolonging the life of handle of a knife.
In summary, the utility model has the following beneficial effects:
1. in the application, the diameter of the spherical cutter head decreases from the middle part to two sides, when the smaller preformed hole is processed, the spherical cutter head is far away from one end of the cutter handle and enters the preformed hole, and when the driving tool drives the cutter handle, the cutter rod and the spherical cutter head to rotate, the circular arc cutting edge performs reaming processing on the smaller preformed hole, so that the complicated operation that the conventional technology needs to use a plurality of milling cutters to process the smaller preformed hole is avoided;
2. According to the application, when the cutter head needs to be replaced, a worker only needs to hold the cutter bar and the cutter handle and pull the cutter bar and the cutter handle in two directions, at the moment, the limiting ball is pressed by the inner wall of the limiting groove, contracts towards the accommodating groove and extrudes the spring, and then the cutter bar slides outwards along the sliding groove, so that the spherical cutter head is detached, and the worker can replace spherical cutter heads with different sizes or spherical cutter heads with damaged circular arc cutting edges;
3. in the application, the whole circular arc blade is used for cutting, and the cutter can be fed through three shafts of the machine tool in linkage with the oblique angle feeding for the through hole with the depth smaller than 1 time diameter even if enough space is not reserved at the installation position.
Drawings
FIG. 1 is a schematic plan view of the present utility model;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the present utility model for highlighting a connection assembly;
fig. 4 is an exploded view of fig. 3.
The tool comprises a tool handle 1, a tool handle 11, a clamping groove 111, a rubber gasket 2, a round table body 21, a sliding groove 22, a limit groove 23, an inner sleeve, a tool bar 3, a tool bar 31, an accommodating groove 32, an outer sleeve, a spherical tool bit 4, a spherical tool bit 41, an arc cutting edge 42, a chip removing groove 5, a connecting component 51, a spring 52, a limit ball 53 and a clamping block.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present application are within the scope of the present application.
As shown in fig. 1-4, an embodiment of the present application discloses a lollipop reaming and milling cutter, which comprises a cutter handle 1, a round table body 2, a cutter bar 3, a spherical cutter head 4, a circular arc cutting edge 41 and a connecting component 5.
The knife handle 1 is made of hard alloy and has good structural strength. The round table body 2 is fixed at one end of the tool handle 1, a sliding groove 21 is penetrated and arranged on the side wall of one side of the round table body 2 close to the tool bar 3, and a limiting groove 22 communicated with the sliding groove 21 is also arranged in the round table body 2.
One end of the cutter bar 3 is in plug-in fit with the chute 21, and the spherical cutter head 4 is fixedly connected to one end of the cutter bar 3 far away from the circular truncated cone 2. The side wall of the cutter bar 3 is provided with a containing groove 31 at a position far away from one side of the spherical cutter head 4, and one end of the cutter bar 1 close to the round table body 2 is provided with a clamping groove 11.
The circular arc cutting edges 41 are arranged on the spherical cutter head 4, and the number of the circular arc cutting edges 41 is a plurality and is uniformly distributed about the axis of the cutter bar 3. In the present embodiment, cutting is performed by using the entire circular arc blade 41, and tool feeding is performed by three axes of the machine tool for a through hole having a depth of less than 1 diameter, in which case the tool can be fed even if a sufficient space is not reserved in the mounting position.
In order to facilitate the chip removal groove 42 to discharge chips generated in the machining process, the chip removal groove 42 with the same number as the circular arc cutting edges 41 is arranged on the side wall of the circular arc cutting edges 41, so that the reaming milling cutter is beneficial for workers to use the reaming milling cutter to ream workpieces.
The connecting component 5 is used for detachably connecting the circular truncated cone 2 with the cutter bar 3 so as to facilitate replacement of spherical cutter heads 4 with different sizes, and the connecting component 5 comprises a spring 51, a limiting ball 52 and a clamping block 53. The spring 51 is fixed on the inner wall of the accommodating groove 31, the limiting ball 52 is fixedly connected to the free end of the spring 51, and the limiting ball 52 is in sliding fit with the accommodating groove 31 and is in clamping fit with the limiting groove 22. The fixture block 53 is fixedly connected to one end of the cutter bar 3, which is close to the circular truncated cone 2, and is in plug-in fit with the clamping groove 11, and the spring 51, the limiting ball 52, the accommodating groove 31 and the limiting groove 22 are symmetrically arranged about the axis of the cutter bar 3, so that the number of the fixture blocks is two, and the stability of connection between the cutter bar 3 and the cutter handle 1 is improved.
In order to further enhance the stability of the connection between the cutter bar 3 and the circular truncated cone 2, the cutter bar 3 is sleeved with an outer sleeve 32 matched with the cutter bar 3, one end of the circular truncated cone 2 away from the cutter handle 1 is fixedly provided with an inner sleeve 23 sleeved outside the cutter bar 3, the inner side of the outer sleeve 32 is in threaded connection with the outer side of the inner sleeve 23, and the inner diameter of one end of the outer sleeve 32 away from the spherical cutter head 4 is larger than the inner diameter of one end of the outer sleeve 32 close to the spherical cutter head 4. In this embodiment, the outer sleeve 32 can be screwed up by the staff, and the outer sleeve 32 abuts against one end of the inner sleeve 23, which is close to the spherical cutter head 4, so that the stability of connection between the cutter bar 3 and the circular truncated cone 2 is enhanced, and the stability of the spherical cutter head 4 in the use process is further improved.
In order to reduce the abrasion of the clamping block 53 to the clamping groove 11, a rubber gasket 111 is arranged in the clamping groove 11, and the rubber gasket 111 is made of a rubber material with good elastic performance, so that one end of the clamping block 53 away from the spherical cutter head 4 is flexibly connected with one side of the clamping groove 11 away from the spherical cutter head 4, and the service life of the cutter handle 1 is prolonged.
The principle of using the lollipop reaming and milling cutter in the embodiment is that when the cutter head needs to be replaced, a worker only needs to hold the cutter bar 3 and the cutter handle 1 and pull the cutter handle 1 in two directions, at the moment, the limiting ball 52 is pressed by the inner wall of the limiting groove 22, the limiting ball is contracted inwards to the accommodating groove 31 and extrudes the spring 51, then the cutter bar 3 slides outwards along the sliding groove 21, so that the spherical cutter head 4 is detached, the worker can replace the spherical cutter head 4 with different sizes or replace the spherical cutter head 4 with damaged circular arc cutting edges 41, the diameter of the spherical cutter head 4 is reduced from the middle to two sides during reaming, when the smaller preformed hole is machined, one end of the spherical cutter head 4 away from the cutter handle 1 enters the preformed hole, and when the driving tool drives the cutter handle 1, the cutter bar 3 and the spherical cutter head 4 to rotate, the circular arc cutting edges 41 conduct reaming on the smaller preformed hole, and the complicated operation that the conventional technology needs to use a plurality of milling cutters to process the smaller preformed hole is avoided.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. A lollipop reaming milling cutter comprises a cutter handle (1) and is characterized in that a round table body (2) is fixed at one end of the cutter handle (1), a cutter bar (3) is arranged at one end, far away from the cutter handle (1), of the round table body (2), a spherical cutter head (4) is arranged at one end, far away from the round table body (2), of the cutter bar (3), and an arc cutter edge (41) is arranged on the surface of the spherical cutter head (4).
2. The lollipop reaming milling cutter according to claim 1, wherein a chute (21) which is in plug connection with the cutter bar (3) is penetrated and arranged on the side wall of the round table body (2) close to one side of the cutter bar (3), a connecting component (5) is arranged between the round table body (2) and the cutter bar (3), a containing groove (31) is formed in the side wall of the cutter bar (3) far away from one side of the spherical cutter head (4), the connecting component (5) comprises a spring (51) which is fixed with the inner wall of the containing groove (31) and a limiting ball (52) which is fixed with the free end of the spring (51), the limiting ball (52) is in sliding fit with the containing groove (31), and a limiting groove (22) which is communicated with the chute (21) and is matched with the limiting ball (52) is arranged in the round table body (2).
3. The lollipop reaming milling cutter as claimed in claim 2, wherein the connecting component (5) further comprises a clamping block (53) fixed with one end of the cutter bar (3) close to the truncated cone body (2), and a clamping groove (11) in plug-in fit with the clamping block (53) is formed in one end of the cutter bar (1) close to the truncated cone body (2).
4. The lollipop reaming milling cutter as claimed in claim 3, wherein the cutter bar (3) is sleeved with an outer sleeve (32) matched with the cutter bar (3), one end of the circular truncated cone body (2) away from the cutter bar (1) is fixedly provided with an inner sleeve (23) sleeved outside the cutter bar (3), the inner side of the outer sleeve (32) is in threaded connection with the outer side of the inner sleeve (23), and the inner diameter of one end of the outer sleeve (32) away from the spherical cutter head (4) is larger than the inner diameter of one end of the outer sleeve (32) close to the spherical cutter head (4).
5. The lollipop reaming and milling cutter as claimed in claim 4, wherein the number of the circular arc cutting edges (41) is a plurality, and the plurality of the circular arc cutting edges (41) are uniformly distributed about the axis of the cutter bar (3).
6. The lollipop reaming and milling cutter as claimed in claim 5, wherein the side wall of the circular arc cutting edge (41) is provided with chip grooves (42) with the same number as the circular arc cutting edge (41).
7. The lollipop reaming and milling cutter as claimed in claim 6, wherein the clamping groove (11) is internally provided with a rubber gasket (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420514247.4U CN222133582U (en) | 2024-03-18 | 2024-03-18 | Lollipop reaming milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420514247.4U CN222133582U (en) | 2024-03-18 | 2024-03-18 | Lollipop reaming milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222133582U true CN222133582U (en) | 2024-12-10 |
Family
ID=93739629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420514247.4U Active CN222133582U (en) | 2024-03-18 | 2024-03-18 | Lollipop reaming milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222133582U (en) |
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2024
- 2024-03-18 CN CN202420514247.4U patent/CN222133582U/en active Active
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